Tyre size designation definition

Tyre size designation means a designation showing:

Tyre size designation means the designation as defined in paragraph 2.19. of Regulation No. 30 for class C1 tyres and paragraph 2.17. of Regulation No. 54 for class C2 and C3 tyres.

Tyre size designation means a combination of figures that uniquely identify the geometric size of the tyre, comprising the nominal section width, the nominal aspect ratio and the nominal diameter. Precise definitions of these features may be found in Regulation No. 30.

Examples of Tyre size designation in a sentence

• Tyre size designation'' means a designation showing:2.21.1.2.26.1. The nominal section width.

• Tyre size designation and service description: .........................................................................

• SRTT (Initial braking test)Candidate 1Candidate 2SRTT (final braking test)Brand name Trade description/ commercial name Tyre size designation Service description Test rim width code Tyre load FL/FR/RL/RR (kg) Load-on-tyre rate (FL/FR/RL/RR) (%) Tyre pressure (kPa) 5.

• After each table, add a note to read: "* If the suffix “M/C” is not already part of the tyre size designation, it may be added optionally as part of the tyre size designation (e.g. 4.00-5 M/C); this is recommended for tyres having a nominal rim diameter equivalent to code 13 (330 mm) or above." Tables 5 and 8, amend the heading of the leftmost column "Tyre size" to "Tyre size designation".

• Test tyre details 4.1. Tyre size designation and service description:.............................................

More Definitions of Tyre size designation

Tyre size designation means the designation as defined in Regulation No. 30 for class C1 tyres and in UN Regulation No. 54 for class C2 and C3 tyres.

Tyre size designation means, except in the case of types of tyre for which the tyre-size designation is shown in the first column of the tables in Annex 5 to this Regulation, a designation showing:"

Tyre size designation means the description containing the following:

Tyre size designation means a designation showing the nominal section width, the nominal aspect ratio and the conventional number that denotes the nominal rim diameter (these terms are further defined in Regulation No. 30).

Tyre size designation means a combination of letters, numbers and symbols which uniquely identify the geometric size of the tyre.

Tyre size designation means a designation showing: 2.18.1. The nominal section width (S1). This value must be expressed in mm. 2.18.2. The nominal aspect ratio (Ra). 2.18.3. An indication of the structure, placed in front of the nominal rim diameter marking, as follows: 2.18.3.1. On diagonal (bias-ply) tyres, the symbol "-" or the letter "D"; 2.18.3.2. On radial-ply tyres, the letter "R"; 2.18.3.3. On bias-belted tyres, the letter "B". 2.18.4. The conventional number "d" denoting the nominal rim diameter; 2.18.5. Optionally, the letters "IMP" after the nominal rim diameter marking in case of implement tyres; 2.18.6. Optionally, the letters "FRONT" after the nominal rim diameter marking in case of tractor steering wheel tyres; 2.18.7. However for tyres listed in Annex 5 the "tyre size designation" is that shown in the first column of those tables.

Tyre size designation means: 2.20.1. A designation showing: 2.20.1.1. The nominal section width (S1). This width must be expressed in mm, except in the case of types of tyre for which the size designation is shown in the first column of the tables in Annex 5 to this Regulation; 2.20.1.2. The nominal aspect ratio, except in the case of certain types of tyre for which the size designation is shown in the first column of the tables in Annex 5 to this Regulation or, depending on the tyre design type, the nominal outer diameter expressed in mm; 2.20.1.3. A conventional number "d" (the "d" symbol) denoting the nominal diameter of the rim and corresponding to its diameter expressed either in codes (number below 100) or in millimetres (numbers above 100). Numbers corresponding to both types of measurement may be used together in the designation; 2.20.1.3.1. The values of the "d" symbols expressed in millimetres are shown below: 8 9 10 11 12 13 14 203 229 254 279 305 330 356 15 16 17 18 19 381 406 432 457 483 20 21 22 24 25 508 533 559 610 635 14.5 16.5 17.5 19.5 20.5 22.5 24.5 26 28 30 368 419 445 495 521 572 622 660 711 762 2.20.1.4. An indication of the tyre to rim fitment configuration when it differs from the standard configuration and is not already expressed by the symbol "d" denoting the nominal rim diameter code;